Enhancing Resolution for Flash LiDAR with Multi-View Imaging Optics and Range Image Tiling.

Jui-Hsiang Yen, Shao-Jung Li, Zih-Ying Fang, Cheng-Huan Chen

Abstract read

In one paragraph

Article in Sensors (Basel, Switzerland), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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1 · What the graph read from it

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5 · Who and what money

Authors and funding

4 authors.

Jui-Hsiang YenDepartment of Photonics, College of Electrical and Computer Engineering, National Yang Ming Chiao Tung University, 1001 University Road, Hsinchu 300, Taiwan.ORCID 0009-0009-3860-9456

Shao-Jung LiDepartment of Photonics, College of Electrical and Computer Engineering, National Yang Ming Chiao Tung University, 1001 University Road, Hsinchu 300, Taiwan.

Zih-Ying FangDepartment of Photonics, College of Electrical and Computer Engineering, National Yang Ming Chiao Tung University, 1001 University Road, Hsinchu 300, Taiwan.

Cheng-Huan ChenDepartment of Photonics, College of Electrical and Computer Engineering, National Yang Ming Chiao Tung University, 1001 University Road, Hsinchu 300, Taiwan.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Flash LiDAR can be used to capture the depth information or contour profile of a target area in one shot and, therefore, has become an important feature in depth sensing devices. Current flash LiDAR devices still suffer from resolution issues due to difficulties in reducing the pixel size of the array sensor. In this paper, a solution has been proposed to resolve this resolution issue by introducing multi-view imaging optics into the flash LiDAR device. Together with scanning illumination over the target area and range image tiling, a fourfold increase in spatial resolution has been achieved, and the working concept can be further extended for resolution enhancement via array expansion. A calibration procedure and shielding mechanism have also been developed to compensate for the issues of crosstalk and stray light, ensuring the quality of the tiled range image. The prototype and corresponding experiment have demonstrated the feasibility of the proposed architecture as an optical solution for enhancing the resolution of flash LiDAR.

Indexed as

depth sensing calibrationflash LiDARrange image tilingtime of flight

Identifiers

PMID40968842

DOI10.3390/s25113288

PMCPMC12157218

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.